A Lichen
- Group
- Fungi
- Peak month
- May
- Records since 2000
- 289
- Home
- Species by county
- Gwynedd
Species recorded in Gwynedd
1,346 species
Gwynedd — county
Clathria atrasanguinea
- Group
- Sponges
- Peak month
- July
- Records since 2000
- 286
Fragilaria tenera
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 285
Achnanthes lauenburgiana
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 281
Lesser Water-plantain
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 279
Heterotanytarsus apicalis
- Group
- True flies
- Peak month
- April
- Records since 2000
- 275
Crossocerus wesmaeli
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 274
Proasellus meridianus
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 273
Metopina galeata
- Group
- True flies
- Peak month
- August
- Records since 2000
- 257
Leptophlebia marginata
- Group
- Mayflies
- Peak month
- April
- Records since 2000
- 253
Dicranomyia goritiensis
- Group
- True flies
- Peak month
- June
- Records since 2000
- 250
Platyhypnum duriusculum
- Group
- Mosses
- Peak month
- January
- Records since 2000
- 244
Dwarf streak-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 243
Pale Scalewort
- Group
- Liverworts
- Peak month
- November
- Records since 2000
- 243
Frustulia rhomboides
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 242
Pinnularia appendiculata
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 241
Chimarra marginata
- Group
- Caddisflies
- Peak month
- September
- Records since 2000
- 238
Ctenophora pulchella
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 235
Leptophlebia vespertina
- Group
- Mayflies
- Peak month
- April
- Records since 2000
- 233
Lapland amphidium moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 231
Psammothidium helveticum
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 230
Encyonopsis microcephala
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 228
Peronia fibula
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 226
Brachysira brebissonii
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 216
Navicula angusta
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 211
Gomphonema gracile
- Group
- Seaweeds and algae
- Peak month
- October
- Records since 2000
- 207
A waxcap
- Group
- Fungi
- Peak month
- October
- Records since 2000
- 198
Black Grimmia
- Group
- Mosses
- Peak month
- June
- Records since 2000
- 173
Centric undif
- Group
- Microorganisms and protists
- Peak month
- October
- Records since 2000
- 171
Dolichopus signatus
- Group
- True flies
- Peak month
- June
- Records since 2000
- 171
Achnanthidium caledonicum
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 169
Frustulia saxonica
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 169
Centromerita concinna
- Group
- Spiders
- Peak month
- October
- Records since 2000
- 167
Harpanthus scutatus
- Group
- Liverworts
- Peak month
- September
- Records since 2000
- 166
Clusia tigrina
- Group
- True flies
- Peak month
- August
- Records since 2000
- 164
Fragilaria rumpens
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 163
Gomphonema acuminatum
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 143
A lichen
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 142
Bembidion saxatile
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 136
Many-leaved Pocket-moss
- Group
- Mosses
- Peak month
- January
- Records since 2000
- 135
Synorthocladius semivirens
- Group
- True flies
- Peak month
- September
- Records since 2000
- 132
Synedra famelica
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 131
Glutinous Snail
- Group
- Molluscs
- Peak month
- October
- Records since 2000
- 120
Black Lark
- Group
- Birds
- Peak month
- June
- Records since 2000
- 118
Corynoneura arctica
- Group
- True flies
- Peak month
- August
- Records since 2000
- 115
Mason bee
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 110
Welsh Clearwing
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 108
Giant shield lichen
- Group
- Lichens
- Peak month
- November
- Records since 2000
- 106